Hi Richard, > -----Original Message----- > From: Richard Cochran <richardcoch...@gmail.com> > Sent: Wednesday, September 18, 2019 11:43 AM > To: Jianyong Wu (Arm Technology China) <jianyong...@arm.com> > Cc: net...@vger.kernel.org; pbonz...@redhat.com; > sean.j.christopher...@intel.com; m...@kernel.org; Mark Rutland > <mark.rutl...@arm.com>; Will Deacon <will.dea...@arm.com>; Suzuki > Poulose <suzuki.poul...@arm.com>; linux-kernel@vger.kernel.org; Steve > Capper <steve.cap...@arm.com>; Kaly Xin (Arm Technology China) > <kaly....@arm.com>; Justin He (Arm Technology China) > <justin...@arm.com>; nd <n...@arm.com>; linux-arm- > ker...@lists.infradead.org > Subject: Re: [PATCH 3/6] Timer: expose monotonic clock and counter value > > On Tue, Sep 17, 2019 at 07:24:27AM -0400, Jianyong Wu wrote: > > A number of PTP drivers (such as ptp-kvm) are assuming what the > > current clock source is, which could lead to interesting effects on > > systems where the clocksource can change depending on external events. > > > > For this purpose, add a new API that retrives both the current > > monotonic clock as well as its counter value. > > > > Signed-off-by: Marc Zyngier <m...@kernel.org> > > Signed-off-by: Jianyong Wu <jianyong...@arm.com> > > --- > > include/linux/timekeeping.h | 3 +++ > > kernel/time/timekeeping.c | 13 +++++++++++++ > > 2 files changed, 16 insertions(+) > > For core time keeping changes, you must CC lkml, tglx, and John Stultz. >
Thanks, I will. Thanks Jianyong Wu > Thanks, > Richard